Location: Trawsfynydd, North Wales (On-site)Duration: Up to 2 YearsStart Date: Immediate / ASAPRate: Competitive Daily Rate (Inside IR35)Randstad is recruiting a Site Manager on behalf of a leading tier-one contractor to manage civil engineering operations on a major electrical substation scheme in North Wales. This is an immediate, long-term assignment running for up to two years, taking operational responsibility for site safety, subcontractor delivery, and daily civils execution.The RoleReporting to the Project Manager, you will take day-to-day operational control of the site, directing civil engineering teams and specialist subcontractors on live substation infrastructure. Your day-to-day will involve:Site Operations Leadership: Directing daily site activities, workforce management, and subcontractor delivery to keep the short-term lookahead schedule on track.Civil Engineering Delivery: Overseeing groundworks, heavy foundations, reinforced concrete (RC) structures, cable ducts, and site access infrastructure.HSEQ and National Grid Standards: Enforcing strict health, safety, environmental, and quality standards, leading daily briefings and ensuring strict adherence to RAMS and client regulations.Subcontractor Management: Coordinating specialist supply chain partners, managing site logistics, and maintaining daily production quality.Site Records and Reporting: Maintaining accurate daily site diaries, tracking scope changes, and acting as the primary face of the main ..... full job details .....